Search results for: “silicon”
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Amprius: silicon anode technology review?
Amprius is commercializing a lithium-ion battery with a near-100% silicon anode, yielding 80% higher energy density. It can achieve 80% charge within 6-minutes. The company is listed on NYSE. We have reviewed Amprius’ silicon anode technology. The patent library is excellent, goes back to 2009 and has locked upon a specific design. This allows us…
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Silicon carbide: production costs?
This data-file captures the costs of producing different grades of silicon carbide: from materials grade SiC ($1,500/ton marginal cost, 5 tons/ton CO2 intensity) through to SiC wafers that are used in the electronics industry ($30M/ton, 200 tons/ton?). SiC semiconductor remains opaque.
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Photovoltaic silicon: the economics?
This model breaks down the costs of photovoltaic silicon, which explains $0.1/W of a $0.3/W solar panel. There is no way silicon producers are making economic returns below $12.5/kg mono-crystalline polysilicon prices. The average kg of PV silicon in a solar panel is also most likely associated with 140kg of direct CO2.
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Nexwafe: PV silicon breakthrough?
Nexwafe is growing standalone silicon wafers on mono-crystalline seed wafers, with no need to slice ingots. It should improve solar efficiency, materials intensity and CO2 intensity. Our technology review found 60 patent filings and can partly de-risk growth ambitions.
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Sila: silicon anode battery breakthrough?
Sila Nanotechnologies claims to have made “the biggest battery breakthrough in 30-years”, integrating silicon with the anodes of lithium ion batteries. Overall, our patent review did support some further de-risking of silicon anode LIBs.
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Perovskite solar: beyond silicon?
Will the next chapter of solar’s ascent come from perovskite-tandem cells, followed by perovskite-on-perovskites? This 18-page report finds more momentum than we expected. There is potential for 30% cost deflation, new solar applications (in buildings/vehicles), and a disruption of PV silicon?
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Silicon carbide: faster switching?
Silicon carbide power electronics will jolt the energy transition forwards, displacing silicon, and improving the efficiency of most new energies by 1-10 pp. Hence we wonder if this disruptor will surprise to the upside, quintupling by 2027. This 12-page note reviews the technology, advantages, challenges, and who benefits?
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Global polysilicon production capacity?
Polysilicon is a highly pure, crystalline silicon material, used predominantly for photovoltaic solar, and also for ‘chips’ in the electronics industry. Global polysilicon capacity is estimated to reach 1.65MTpa in 2023, and global polysilicon production surpasses 1MTpa in 2023. China now dominates the industry, approaching 90% of all global capacity.
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Semiconductors: conductivity calculations?
This datafile calculates the conductivity and resistivity of semiconductors from first principles, based on their bandgap, doping, electron and hole mobility, temperature, the Fermi-Dirac distribution and the Effective Density of States. Put in any inputs you like to compute the resistance of silicon, germanium or GaAs.
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Perovskite solar companies screen?
This data-file is a screen of 20 perovskite solar companies, which are producing perovskite or perovskite-tandem modules at MW-GW scale, testing perovskite cells at lab scale with a view to future manufacturing, or early- or venture-stage companies that are developing new perovskite solar technologies. Perovskites are a class of materials with the structure ABX3, exceptionally…
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